feat(site_finder): velocity coverage gap-fill (spatial+name) — #968 949-A #1076

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bot-backend merged 1 commit from feat/competitor-velocity-spatial-fallback-968 into main 2026-06-06 17:07:40 +00:00

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d9c2157d02 feat(site_finder): velocity coverage gap-fill via spatial+name fallback (#968 949-A)
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For competitors missing from objective_complex_mapping, bridge to objective
velocity: nearest objective-bearing complex within 200m whose name tolerantly
matches → complex_id → objective_lots.project_name → objective_corpus_room_month.
Prod-measured: 148 → 329 mapped competitors (2.2×), validated by EXPLAIN+execute.

- nearest_cx CTE UNION'd into mapped (gap-fill only; primary 148 byte-identical,
  no double-count — UNION dedups, DISTINCT ON = one complex per competitor)
- candidates restricted to complexes WITH objective_lots.project_name (data-bearing):
  naive nearest-any gave +37; data-bearing nearest gives +181 (the real win)
- empty-comm_name guard avoids LIKE '%%' spatial-only leak
- velocity.py unchanged (its has_mapping coverage-gate is a separate concern);
  parcel.py unchanged (relevance_weight already satisfies DoD)

Blast radius narrow: affects relevance_weight (via stage_at_horizon) for
newly-mapped competitors; §22 market-pulse velocity (velocity.py) untouched.
deep-code-reviewer ⚠️ minor (approved); review items addressed. Part of EPIC #949.
2026-06-06 22:05:15 +05:00